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Date: Fri, 2 Sep 2011 10:43:04 -0400
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Subject: Re: looking for information on composite columns
From: Edward Capriolo <edlinuxguru@gmail.com>
To: user@cassandra.apache.org
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On Fri, Sep 2, 2011 at 9:15 AM, Yiming Sun <yiming.sun@gmail.com> wrote:

> Hi,
>
> I am looking for information/tutorials on the use of composite columns,
> including how to use it, what kind of indexing it can offer, and its
> advantage over super columns.  I googled but came up with very little
> information.  There is a blog article from high performance cassandra on the
> compositeType comparator, but the use case is a composite column name rather
> than a column value.  Does anyone know of some good resources on this and is
> willing to share with me?  Thanks.
>
> -- Y.
>

I am going to do some more composite recipes in my blog, I noticed from my
search refers that it is a very hot topic.

www.anuff.com/2011/02/indexing-in-cassandra.html
www.anuff.com/2010/07/secondary-indexes-in-cassandra.html
www.datastax.com/2011/06/ed-anuff-to-speak-at-cassandra-sf-2011

Composite columns do not do indexing in themselves but the way they allow
multiple components to live in one column but still sort properly is how
they relate to indexing.

Edward

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<br><div class=3D"gmail_quote">On Fri, Sep 2, 2011 at 9:15 AM, Yiming Sun <=
span dir=3D"ltr">&lt;<a href=3D"mailto:yiming.sun@gmail.com">yiming.sun@gma=
il.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"=
margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi,<br><br>I am looking for information/tutorials on the use of composite c=
olumns, including how to use it, what kind of indexing it can offer, and it=
s advantage over super columns.=A0 I googled but came up with very little i=
nformation.=A0 There is a blog article from high performance cassandra on t=
he compositeType comparator, but the use case is a composite column name ra=
ther than a column value.=A0 Does anyone know of some good resources on thi=
s and is willing to share with me?=A0 Thanks.<br>
<font color=3D"#888888">

<br>-- Y.=A0 <br>
</font></blockquote></div><div><br></div><div>I am going to do some more co=
mposite recipes in my blog, I noticed from my search refers that it is a ve=
ry hot topic.=A0</div><div><br></div><div><a href=3D"http://www.anuff.com/2=
011/02/indexing-in-cassandra.html">www.anuff.com/2011/02/indexing-in-cassan=
dra.html</a><br>
</div><div><a href=3D"http://www.anuff.com/2010/07/secondary-indexes-in-cas=
sandra.html">www.anuff.com/2010/07/secondary-indexes-in-cassandra.html</a><=
br><a href=3D"http://www.datastax.com/2011/06/ed-anuff-to-speak-at-cassandr=
a-sf-2011">www.datastax.com/2011/06/ed-anuff-to-speak-at-cassandra-sf-2011<=
/a><br>
</div><div><br></div><div>Composite columns do not do indexing in themselve=
s but the way they allow multiple components to live in one column but stil=
l sort properly is how they relate to indexing.</div><div><br></div><div>
Edward</div>

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